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wifi: mt76: mt792x: report txpower for the requested vif link

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mt792x currently reports txpower from the generic PHY cached state,
which may not match the requested vif/link context.

Resolve the requested link channel and derive txpower from that channel
instead, with fallback to the current PHY chandef if no valid chanctx is
available.

Reported-by: Devin Wittmayer <lucid_duck@justthetip.ca>
Closes: https://lore.kernel.org/linux-wireless/20260130215839.53270-1-lucid_duck@justthetip.ca/
Tested-by: Devin Wittmayer <lucid_duck@justthetip.ca>
Tested-by: Satadru Pramanik <satadru@gmail.com>
Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Link: https://patch.msgid.link/20260401182322.64355-3-sean.wang@kernel.org
Signed-off-by: Felix Fietkau <nbd@nbd.name>
This commit is contained in:
Sean Wang 2026-04-01 13:23:22 -05:00 • committed by Felix Fietkau
commit 879d754e48
4 changed files with 45 additions and 2 deletions
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